Effect of Dynamic Center Region on the Flow and Mixing Efficiency in a New Tri-Screw Extruder Using 3D Finite Element Modeling by X. Z. Zhu, Y. D. He, G. Wang

“…Three-dimensional finite element modeling of polymer melt flowing in a new co-rotating tri-screw extruder was established with mesh superposition technique. …”
Get full text

A Two-Dimensional (2D) Potential Distribution Model for the Short Gate-Length Ion-Implanted GaAs Mesfets Under Dark and Illuminated Conditions by Shweta Tripathi, S. Jit

“…The 2D potential distribution in the channel of the short-channel device has been obtained by solving the 2D Poisson’s equation in conjunction with suitable boundary conditions using superposition method. The remarkable feature of the proposed model is that the implanted doping profile has been treated in completely analytical manner. …”
Get full text

Research on intra-day multi-objective operation control of distribution network system under quantum communication optimization by QIAN Hao, DONG Zhihui, XIANG Jundong, ZHENG Jiewen, TANG Zhipeng, GUO Qiang

“…By utilizing the high security, large capacity transmission, and strong anti-interference ability of quantum communication, we can solve the limitations of traditional communication methods in distribution network scheduling. On the basis of calculating power loss cost, collaborative control investment cost, and flexible load cost, this method constructs a multi-objective collaborative optimization model. …”
Get full text

Formation laws and mechanism of freezing temperature fields of multiple coil tubes under groundwater seepage conditions by Chuanxin RONG, Runze ZHANG, Wei LONG, Shiqing HUANG, Jihao FENG

“…In order to study the formation law of artificial frozen temperature field and the formation mechanism of frozen wall in deep alluvial layer under the action of groundwater seepage, the paper analyzes the spatiotemporal evolution law of frozen temperature field under different layers and soil properties based on the construction background of central wind shaft freezing method in Linhuan Mine. The data is used to verify the rationality of the groundwater thermal coupling numerical calculation model based on the actual location of frozen hole in the field and the buried depth of 228 m sand layer. …”
Get full text

Improving the Solving of Optimization Problems: A Comprehensive Review of Quantum Approaches by Deborah Volpe, Giacomo Orlandi, Giovanna Turvani

“…Optimization, particularly of objective functions, stands to benefit significantly from quantum solvers, which leverage principles of quantum mechanics like superposition, entanglement, and tunneling. The Ising and Quadratic Unconstrained Binary Optimization (QUBO) models are the most suitable formulations for these solvers, involving binary variables and constraints treated as penalties within the overall objective function. …”
Get full text

Characterization and Numerical Modeling of Shallow Marine Turbidite Depositional Systems: A Case Study from the Second Member of the Yinggehai Formation, X Gas Field, Yinggehai Bas... by Jiaying Wei, Lei Li, Yong Xu, Guoqing Xue, Zhongpo Zhang, Guohua Zhang

Get full text

Beyond Biot – Nonlinear stiffening of the bulk modulus in fluid-saturated porous media by Axel Dorian Toko, Ruud Weijermars

“…This paper comprehensively investigates the elastic behavior of fluid-saturated porous media, considering a far-field stress, a range of pore pressures, and varying pore sizes. A Linear Superposition Method (LSM) was used to quantify the stress distribution and effective bulk moduli within a synthetic micropore model under both drained and undrained conditions. …”
Get full text

REGULARITIES OF THE AVERAGE HEAT EXCHANGE FOR PIPES WITH ROUGH WALLS AND ROUGH FLAT CHANNELS UNDER ONE-SIDED THERMAL LOADING by Igor' E. Lobanov

“…Methods The calculation was based on the superposition principle of turbulent viscosity. …”
Get full text

Dynamics Analysis of Intermittent Transmission Chain System by Huanchun Gong

“…The dynamics equation of the transmission chain system is established, and then the equation is solved by the modal superposition method. In order to verify the accuracy of modeling, taking the die-cutting machine intermittent transmission chain system as an example，a dynamics experimental device is established to test and analyze the dynamic characteristics of chain intermittent motion. …”
Get full text

Enhancing Text Classification Through Quantum Transfer Learning: A Hybrid Quantum-Classical Approach With Complex Kernel Self-Attention Networks by Xiaoxiao Chen, Xiaoping Lou

Get full text

Numerical Investigation of Large Wood Evolution Characteristics Transported by Flash Floods by SONG Siyuan, FEI Gaogao, WANG Xiekang

“…To improve the ability of numerical models to replicate large wood movement and accumulation, a two-way coupling numerical model of three-dimensional flow fields and three-dimensional large wood motion (3D-3D) needs to be adopted.MethodsThe three-dimensional flow field and three-dimensional large wood motion two-way coupling numerical model (3D-3D) presented in this paper is based on the finite volume method and employs a second-order nonlinear k-e model for turbulence calculation. …”
Get full text

Motor Fault Diagnosis Under Strong Background Noise Based on Parameter-Optimized Feature Mode Decomposition and Spatial–Temporal Features Fusion by Jingcan Wang, Yiping Yuan, Fangqi Shen, Caifeng Chen

“…To address this issue, this study introduces a high-performance fault diagnosis approach for mining motors operating under strong background noise by integrating parameter-optimized feature mode decomposition (WOA-FMD) with the RepLKNet-BiGRU-Attention dual-channel model. According to the experimental results, the average accuracies of the proposed method were 97.7% and 93.38% for the noise-added CWRU bearing fault dataset and the actual operation dataset of the mine motor, respectively, which are significantly better than those of similar methods, showing that the approach in this study is superior in fault feature extraction and identification.…”
Get full text

Calculation of Shear-Bearing Capacity of Aluminum Alloy-Concrete Composite Beam by Chenghua Li, Ziliang Lu

“…An improved shear capacity formula was derived based on the tension–compression bar model and the superposition method. The proposed formula achieved an average ratio of 1.018 to finite element results, with a standard deviation of 0.151, and the proposed formula was validated against 22 FEA models, demonstrating excellent agreement with numerical results and confirming its reliability for practical engineering applications. …”
Get full text

Dynamic Assessment of Population Exposure to Urban Flooding Considering Building Characteristics by Shaonan Zhu, Xin Yang, Jiabao Yang, Jun Zhang, Qiang Dai, Zhenzhen Liu

“…The implemented model systematically evaluates transient population exposure through spatiotemporal superposition analysis of flood characteristics and human occupancy patterns across different urban functional zones in Lishui City, China. …”
Get full text

Matrix-qubit algorithm for semantic analysis of probabilistic data by Ilya A. Surov

“…The method is based on the quantum model of contextual decision-making, according to which observable probabilities are generated by qubit states, representing subjective meaning of the contexts relative to the basis decision. …”
Get full text

Wavefield-reconstruction-based full waveform inversion on noisy data in seismic exploration by Yuwei Yu, Yuwei Yu, Yuwei Yu, Zhefeng Wei, Zhefeng Wei, Zhefeng Wei, Xiaofeng Jia, Xiaofeng Jia, Xiaofeng Jia, Chenghong Zhu, Chenghong Zhu, Chenghong Zhu

“…However, using noisy low-frequency data to build the initial model can be a challenge for FWI in practice. To solve this problem, we propose a wavefield reconstruction method based on the first type of Rayleigh–Sommerfeld integral and apply the multiple reconstructed wavefield (MRW) to the gradient calculation. …”
Get full text

Quantum optimization algorithms for CT image segmentation from X-ray data by Kyungtaek Jun, Hyunju Lee

Get full text

A Novel Application of Computational Contact Tools on Nonlinear Finite Element Analysis to Predict Ground-Borne Vibrations Generated by Trains in Ballasted Tracks by Andrés García Moreno, Antonio Alonso López, María G. Carrasco García, Ignacio J. Turias, Juan Jesús Ruiz Aguilar

“…In such a method, loads are individually applied, and the cumulative effect of the rolling stock is obtained through superposition. …”
Get full text

Optimized dynamic mode decomposition for reconstruction and forecasting of atmospheric chemistry data by M. Velagar, C. Keller, C. Keller, J. N. Kutz

“…Forecasting is also achieved with a linear model that uses a linear superposition of the dominant spatio-temporal features. …”
Get full text

Research of Dynamic Shock Calculation on Converter Cabinet Structure by LIU Feng, ZHOU Wen-yong

“…Mechanical model of dynamic shock response calculation using modal superposition was analyzed, and based on this mechanical model, a dynamic shock simulation calculation was conducted for auxiliary converter cabinet on a certain vehicle by means of finite element method, which was checked with application of IEC 61373 standard. …”
Get full text